John Dalton, the son of a weaver, was born into a devoutly religious family. At the age of 12, Dalton began teaching in a Quaker school and developed an interest in science. He was most interested in meteorology and kept a lifelong daily journal of atmospheric conditions for his hometown of Manchester, England. By all accounts, Dalton was not an inspiring teacher, and he was hindered as a researcher by being color-blind. He had only a minimal education and limited finances, but he compensated his deficiencies with meticulous and persistent work habits. Dalton’s daily study of the weather led him to conclude, like Robert Boyle and Isaac Newton before him, that the air was made up of gas particles.

Color is a property of light that depends on the frequency of light waves. In most cases, when people talk about light, they are referring to white light. The best example of white light is ordinary sunlight: light that comes from the Sun. Light is a form of electromagnetic radiation: a form of energy carried by waves. The term “electromagnetic radiation” refers to a vast range of energy waves, including gamma rays, X rays, ultraviolet rays, visible light, infrared radiation, microwaves, radar, and radio waves. Of all these forms, only one can be detected by the human eye: visible light. White light and colors are closely related. The word “color” actually refers to the light of a particular color, such as red light, yellow light, or blue light. The color of a light beam depends on just one factor: the wavelength of the light. Light can be seen only when it reflects off some object. For example, as we look out across a field, we cannot see beams of light passing through the air, but we can see the green of trees, the brown of fences, and the yellow petals of flowers because of light reflected by these objects.

Color effects occur in many different situations in the natural world. For example, the swirling colors in a soap bubble are produced by interference, a process in which light is reflected from two different surfaces very close to each other. The soap bubble is made of a very thin layer of soap: the inside and outside surfaces are less than a millimeter away from each other. When light strikes the bubble, then, it is reflected from both the outer surface and from the inside surface of the bubble. The two reflected beams of light interfere with each other in such a way that some wavelengths of light are reinforced, while others are canceled out. It is by this mechanism that the colors of the soap bubble are produced.

Color blindness is a condition in which people have mild to severe difficulty identifying colors. Color blind people may not be able to recognize various shades of colors and, in some cases, cannot recognize colors at all. When we say that a person is color blind, we do not mean that he/ she can’t see any color at all. It means that color blind people have trouble in seeing the difference between certain colors. Most color-blind people can’t tell the difference between red and green. To understand what causes color blindness, we need to know about the cones in our eyes. These cones are cells on our retina. We have “red,” “blue,” and “green” cones, which are sensitive to those colors and combinations of them. We need all three types to see colors properly. When our cones don’t work properly, or we don’t have the right combination, our brain doesn’t get the right message about which colors we’re seeing. To someone who’s color-blind, a green leaf might look tan or gray. Color blindness is almost always an inherited which means we get it from our parents. Eye doctors test for color blindness by showing a picture made up of different colored dots. If a person can’t see the picture or number within the dots, he or she may be color-blind. Boys are far more likely to be color-blind.

. John Dalton, in common with his brother, confused scarlet with green and pink with blue which he himself described in 1794. Dalton supposed that his vitreous humor was tinted blue, selectively absorbing longer wavelengths. He instructed that his eyes should be examined after his death, but the examination revealed that the humors were perfectly clear. Dalton accepted an honorary degree from Oxford dressed in a scarlet robe when wearing a scarlet was prohibited by his Quaker faith as he could not  rationalize the actual color of the robe, due to his color blindness, instead he  saw the ceremonial robe as gray, and had no reason to think that  he was  violating the Quaker doctrine.

The Quakers, is a movement that began in England in the 18th century. The word “Quaker” means to tremble in the way of the Lord. In its early days it faced opposition but it continued to expand, extending into many parts of the world. The Society of Friends has been influential in the history of the world. During the 19th century Friends in the United States suffered a number of separations. These separations have resulted in the formation of different branches of the Society of Friends. Despite the separations, Friends remain united in their commitment to discover truth and promote it. There are a large number of Quakers in the world today, the overwhelming majority of them Evangelicals in Africa and Latin America.

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Meet Mrs. Robinson, a 3rd grade teacher in Broward County, Florida who is legally blind.

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Dr.Badruddin Khan teaches Chemistry in the University of Kashmir, Srinagar, India.

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Your support(Donation) will help Jodhpur Blind School in its struggle for blind children welfare and development.

Netraheen Vikas Sansthan (Blind Children Welfare India )is working for rehabilitation of blind students since last 31 years in Suncity Jodhpur by providing free education with boarding and lodging facility separately for boys and Girls. The School was started on 15th August 1977 with only two blind students the number of which has gone to 247 at present out of which 90 are girls.This is the only institute for girls with hostel facility in Rajasthan. The school is up to senior secondary level for blind. All the teachers many of whom are even blind also are well trained and highly qualified. The result of 10th and 12th Board exams have always been maintained at 100% since beginning of school. The Students of the school have been awarded several times Medals and Prizes not only at National, State and District level but also at International level in the field of various Education, Sports and Music competitions.

Aims of the society (Netraheen Vikas Sansthan)

• To provide education and training to blind boys and girls, Make arrangements for Rehabilitation and efforts are made to make available the facilities provided by the govt. to these blind children.
• To establish Braille press, library and cassette library for the bind
• To arrange for the treatment to those, whose eyes are worth for treatment and also to provide guidance in this field.
• To arrange seminars and workshops on the problems of the blind.
• To arrange special surveys on the blind persons and try to solve their problems with the help of Government and the society.
• To establish them in self employment by giving training in cottage industries.
• To undertake all those tasks this may be related with the development and growth of intellectual eyes in the blind.

Send Donation-Charity-Subscribe Cheque/ DD in Favour of
“NETRAHEEN VIKAS SANSTHAN”
Postal Address:
D-Sector, Kamla Nehru Nagar
Jodhpur, Rajasthan, 342003 INDIA.

Online Bank Transfer
UNION BANK OF INDIA,
Account No. 503702010001848
Jodhpur Branch.

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Adam is registered blind but he is happy to be in mainstream education due to the specialist teacher training and equipment.

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Founder : Mrs. Sushila Bohra (CEO)
Call Us: +91 941 413 3879, +91 291 2750423, +91 291 2751898
Mail Us: info@jodhpurblindschool.org
Visit Us: www.jodhpurblindschool.org
Description:
Jodhpur Blind School (Netraheen Vikas Sansthan) is residential school for the blind.

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